The Water Molecule

1
The Water Molecule The Water Cycle
Fall 2002 Integrated Science Ecology
2
The Water Molecule
HYDROGEN OXYGEN
H2O
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3
Special Characteristics of Water
Special Characteristics of Water

• SURFACE TENSION
• COHESION-Water attraction to itself
• ADHESION-Water attraction to something besides
  itself
• CAPILLARY ACTION-Ability of water to move up
  against the force of gravity.

4
States of Water
States of Water

• WATER VAPOR
• WATER
• ICE

5
The Water Cycle
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Environmental Issues
Environmental Issues

• Acid Rain
• Acid Mine Drainage
• Non-point source Pollution

7
Wetlands
Wetlands

• Areas where water covers the soil or is near the
  surface all year
• Characterized by certain plants and animals

8
Benefits of Wetlands
Benefits of Wetlands

• Filters water
• Neutralizes Toxins
• Holds water during dry spells
• Provides habitat

9
Water Summary

• Water is a unique molecule crucial to all life
• It has special features due to its physical
  arrangement surface tension, adhesion, cohesion,
  and capillary action.
• Water cycles through the environment
• Water is threatened by acid rain, acid mine
  drainage, and other pollution.
• Wetlands